Ken Yasukawa; Territory Establishment in Red-Winged Blackbirds: Importance of Aggressive Behavior and Experience, The Condor, Volume 81, Issue 3, 1 August 1979,
No takes yet. Share an insight, caveat, or question.
Ken Yasukawa (1979) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: